Quarterly Tax Estimator
Estimate your quarterly tax payments based on your revenue, deductions, and business structure. Compare Sole Proprietor vs S-Corp to find the best setup for your trucking business.
Revenue & Business Info
Quarterly Deductible Expenses
Estimated Quarterly Payment
$7,577
Estimate — not an IRS-determined amount
Taxable Income (Annual)
$89,103
Effective Tax Rate
16.8%
Next Due Date
January 15, 2027
Q4 (Sep 1 - Dec 31)
Tax Breakdown (Annual)
| Gross Revenue (Annual) | $180,000 |
| Total Business Deductions | -$66,800 |
| Net Business Income | $113,200 |
| Self-Employment Tax (15.3%) | $15,995 |
| Half SE Tax Deduction | -$7,997 |
| Standard Deduction | -$16,100 |
| Federal Taxable Income | $89,103 |
| Federal Income Tax | $14,314 |
| Total Annual Tax | $30,309 |
| Quarterly Payment | $7,577 |
Sole Prop vs S-Corp Comparison
| Sole Prop / LLC | S-Corp | |
|---|---|---|
| Net Business Income | $113,200 | $113,200 |
| Reasonable Salary | N/A | $67,920 |
| Distribution (no SE tax) | N/A | $45,280 |
| SE / Payroll Tax | $15,995 | $10,392 |
| Federal Income Tax | $14,314 | $14,931 |
| Total Annual Tax | $30,309 | $25,322 |
Potential S-Corp Savings: $4,987/year
At your income level, an S-Corp election could save you $1,247 per quarter by reducing self-employment tax on distributions. Factor in ~$1,500-$3,000/year in additional S-Corp payroll and accounting costs.
2026 Quarterly Tax Due Dates
Q1
Jan 1 - Mar 31
Due: April 15, 2026
Q2
Apr 1 - May 31
Due: June 15, 2026
Q3
Jun 1 - Aug 31
Due: September 15, 2026
Q4
Sep 1 - Dec 31
Due: January 15, 2027
Next DueUse IRS Form 1040-ES to make estimated quarterly payments. Underpayment penalties may apply if you owe more than $1,000 at tax time. If a due date falls on a weekend or legal holiday, the payment is timely on the next business day.
Estimate only. These figures use general federal rules for 2026 and do not account for your state taxes, credits, or individual circumstances. Verify with a qualified tax professional before making financial decisions.